You need to level up to about Lv17 or so, to make the highest quality sigil stones appear within the Oblivion gates. The best give 20% chameleon, so when applied to helm, cuirass, gauntlets, boots and shield, you have 100%.
100 percent of 360 is 360.
It is already enchanted so you can't do anything to it.
you play the game
31% of 360% = 31/100 * 360/100 = 1.116
percent means "out of 100", so 5 percent (5%) is 5/100 "of" means multiply. 5% of 360 = 5/100 x 360 = 18
convert 3.6 to a percent = 360%3.6 * 100% = 360%
360/100=3 - x=120/100= 20
196/360 * 100% = 54%
It is 100*12/360 = 3.33... %
360%
81% of 360 = 360*81/100 = 291.6
42% of 360 = 360*42/100 = 151.2